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 ###Instrução: Quantas marcas norte-americanas têm sede mundial em Sagamihara?
 ###Tabelas: CREATE TABLE breakdown_by_region_and_height (breakdown_by_region_and_height_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Total INT, 4000ft+ INT, 3500–4000ft INT, 3000–3500ft INT, 2500–3000ft INT, 2000–2500ft INT) CREATE TABLE men's_singles (men's_singles_id AUTO_INCREMENT PRIMARY KEY, Seed INT, Rank INT, Player VARCHAR, Points INT, Points defending INT, Points won INT, New points INT, Status VARCHAR) CREATE TABLE economies_of_member_states (economies_of_member_states_id AUTO_INCREMENT PRIMARY KEY, Member State sorted by GDP VARCHAR, GDP in s billion of USD (2012) VARCHAR, GDP % of EU (2012) VARCHAR, Annual change % of GDP (2012) VARCHAR, GDP per capita in PPP US$ (2012) INT, Public Debt % of GDP (2013 Q1) VARCHAR, Deficit (-)/ Surplus (+) % of GDP (2012) VARCHAR, Inflation % Annual (2012) VARCHAR, Unemp. % 2013 M7 VARCHAR) CREATE TABLE population_movement_of_jews_from_former_ussr_in_israel (population_movement_of_jews_from_former_ussr_in_israel_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Births (000s) INT, Deaths INT, Natural Growth INT, Total Fertility Rate VARCHAR) CREATE TABLE manufacturer's_worldwide_ranking (manufacturer's_worldwide_ranking_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Company Name VARCHAR, 2008 Rank VARCHAR, 2009 Revenue VARCHAR, North American Brands VARCHAR, World Headquarters VARCHAR, Country VARCHAR)  
SELECT COUNT North American Brands FROM manufacturer's_worldwide_ranking WHERE World Headquarters = Sagamihara